Antananarivo
Madagascar
Institut Pasteur de Madagascar
SARS-CoV-2 antibodies, COVID-19 seroprevalence, prediction model, Madagascar, symptom presentation, time since infection
Tuberculosis Infection, Tuberculosis Preventive Therapy, Household Contacts, Tuberculin Skin Test (TST), Interferon-Gamma Release Assays (IGRA), Targeted TB prevention